Associação Entre Força Muscular Relativa e Risco Cardiometabólico em Pacientes Hipertensos

EnglishIntroduction: Muscle strength has been considered a good predictor of risk for cardiovascular diseases. Objective: To evaluate the association between relative muscular strength and cardiometabolic risk factors in hypertensive patients. Methods: A cross-sectional study was carried out with 115 hypertensive patients attended at a university hospital. Anthropometric and biochemical variables (fasting glycemia, total cholesterol and fractions and triglycerides) were collected. The Waist / height ratio and body mass index were calculated. Relative muscle strength was assessed from the palmar grip strength, measured by the dynamometer, and divided by body weight. Pearson’s correlation was used and the linear regression model to estimate the relationship between risk variables and relative muscle strength. A significance level of 5% and a 95% confidence interval were adopted. Results: The majority of the population (82.6%) were female, 64.3% were adults, 56.5% were sedentary and 93.0% were overweight. Significant inverse correlations were observed between relative muscle strength with waist / height ratio and body mass index (p=0.000). The regression model showed that the increase in waist / height ratio contributed significantly to the reduction of relative muscle strength (p = 0.023), as well as being female (p = 0.000). Conclusion: The present study identified an association between relative muscle strength and cardiometabolic risk variables. portuguesIntroducao: A forca muscular tem sido considerada bom preditor de risco para doencas cardiovasculares. Objetivo: Avaliar a associacao entre forca muscular relativa com fatores de risco cardiometabolicos em pacientes hipertensos. Metodos: Estudo transversal realizado com 115 pacientes hipertensos atendidos em um hospital universitario. Foram coletadas variaveis antropometricas e bioquimicas (glicemia de jejum, colesterol total e fracoes e triglicerideos). Foram calculados os indicadores razao cintura/altura e Indice de massa corporal. A forca muscular relativa foi avaliada a partir da forca de preensao palmar, medida pelo dinamometro, e dividida pelo peso corporal. A correlacao de Pearson e o modelo de regressao linear foram utilizados para estimar a relacao entre as variaveis de risco e a forca muscular relativa. Foram adotados um nivel de significância de 5% e intervalo de confianca de 95%. Resultados: A maioria da populacao (82,6%) foi do sexo feminino, 64,3% adultos, 56,5% sedentarios e 93,0% com excesso de peso. Foram observadas correlacoes inversas significantes entre a forca muscular relativa com a razao cintura/ altura e Indice de massa corporal (p=0,000). O modelo de regressao mostrou que o aumento na razao cintura/altura contribuiu significativamente para a reducao da forca de preensao palmar relativa (p=0,023), assim como ser do sexo feminino (p=0,000). Conclusao: O presente estudo identificou associacao entre a forca de preensao palmar relativa e variaveis de risco cardiometabolico.